JoinFetchType (EclipseLink Core 3.0.3-RC2 API)

java.lang.Object
- java.lang.Enum<JoinFetchType>
- - org.eclipse.persistence.annotations.JoinFetchType

All Implemented Interfaces:

Serializable, Comparable<JoinFetchType>
```
public enum JoinFetchType
extends Enum<JoinFetchType>
```
An enum type that is used within the JoinFetch annotation.

Since:

Oracle TopLink 11.1.1.0.0

Author:

James Sutherland

See Also:

JoinFetch

Enum Constant Summary

Enum Constants
Enum Constant Description

INNER
An inner join is used to fetch the related object.

OUTER
An inner join is used to fetch the related object.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static JoinFetchType`	`valueOf(String name)`	Returns the enum constant of this type with the specified name.
`static JoinFetchType[]`	`values()`	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Enum Constant Detail
  - INNER
```
public static final JoinFetchType INNER
```
    An inner join is used to fetch the related object. This does not allow for null/empty values.
  - OUTER
```
public static final JoinFetchType OUTER
```
    An inner join is used to fetch the related object. This allows for null/empty values.
- Method Detail
  - values
```
public static JoinFetchType[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
    for (JoinFetchType c : JoinFetchType.values()) System.out.println(c);
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static JoinFetchType valueOf(String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    
    name - the name of the enum constant to be returned.
    
    Returns:
    
    the enum constant with the specified name
    
    Throws:
    
    IllegalArgumentException - if this enum type has no constant with the specified name
    
    NullPointerException - if the argument is null